The Nothing That Is: A Natural History of ZeroA symbol for what is not there, an emptiness that increases any number it's added to, an inexhaustible and indispensable paradox. As we enter the year 2000, zero is once again making its presence felt. Nothing itself, it makes possible a myriad of calculations. Indeed, without zero mathematics as we know it would not exist. And without mathematics... | | Materials for EngineeringThe criterion I have adopted for discussing a specific material in this book is its commercial availability, rather than its being confined to a research and development laboratory. In the ten years since the appearance of the first edition of the book, a number of such engineering materials have appeared on the market and a number of these will be... | | Restorative Neurology of Spinal Cord Injury
Following injury or disease, neural circuitry can be altered to varying degrees leading to highly individualized characteristics that may or may not resemble original function. In addition, lost or partially damaged circuits and the effects of biological recovery processes coupled with learned compensatory strategies create a new neuroanatomy... |